ECU CHEVROLET BLAZER 2004 2.G Workshop Manual

For prompt and efficient assistance when calling, please
provide the following to the Roadside Assistance
Representative:
Your name, home address, and home telephone
number
Telephone number of your location
Location of the vehicle
Model, year, color, and license plate number
Mileage, Vehicle Identication Number and delivery
date of the vehicle
Description of the problem
While we hope you never have the occasion to use our
service, it is added security while traveling for you
and your family. Remember, we are only a phone call
away. Chevrolet Roadside Assistance:
1-800-CHEV-USA (1-800-234-8872), text telephone
(TTY) users, call 1-888-889-2438.
Chevrolet reserves the right to limit services or
reimbursement to an owner or driver when, in
Chevrolet’s judgement, the claims become excessive in
frequency or type of occurrence.
Roadside Assistance is not part of or included in the
coverage provided by the New Vehicle Limited Warranty.
Chevrolet reserves the right to make any changes or
discontinue the Roadside Assistance program at
any time without notication.
Canadian Roadside Assistance
Vehicles purchased in Canada have an extensive
roadside assistance program accessible from anywhere
in Canada or the United States. Please refer to the
Warranty and Owner Assistance Information book.
Courtesy Transportation
Chevrolet has always exemplied quality and value in
its offering of motor vehicles. To enhance your
ownership experience, we and our participating dealers
are proud to offer Courtesy Transportation, a customer
support program for new vehicles.
The Courtesy Transportation program is offered to retail
purchase/lease customers in conjunction with the
Bumper-to-Bumper coverage provided by the New
Vehicle Limited Warranty. Several transportation options
are available when warranty repairs are required.
This will reduce your inconvenience during
warranty repairs.
7-7

Center Rear Passenger Position, Safety Belts.....1-26
Center Seat Positions, Child Restraints..............1-51
Certication/Tire Label.....................................4-58
Chains, Tires..................................................5-74
Charging System Light....................................3-26
Check
Engine Light...............................................3-30
Gages Warning Light...................................3-35
Checking Brake Fluid......................................5-40
Checking Coolant............................................5-25
Checking Engine Oil........................................5-13
Checking Things Under the Hood......................5-10
Chemical Paint Spotting...................................5-95
Child Restraints
Center Seat Positions..................................1-51
Child Restraint Systems...............................1-37
Infants and Young Children...........................1-34
Lower Anchorages and Top Tethers
for Children (LATCH System).....................1-44
Older Children.............................................1-31
Securing a Child Restraint Designed
for the LATCH System..............................1-46
Securing a Child Restraint in a Rear
Outside Seat Position...............................1-46
Securing a Child Restraint in the
Right Front Seat Position..........................1-48
Top Strap...................................................1-41
Top Strap Anchor Location............................1-43
Where to Put the Restraint...........................1-40
Cigarette Lighter.............................................3-17Cleaning
Inside of Your Vehicle..................................5-90
Outside of Your Vehicle................................5-92
Underbody Maintenance...............................5-95
Weatherstrips..............................................5-92
Cleaning Aluminum Wheels..............................5-94
Cleaning Exterior Lamps/Lenses.......................5-93
Cleaning Fabric/Carpet....................................5-90
Cleaning Glass Surfaces..................................5-91
Cleaning Interior Plastic Components.................5-91
Cleaning Leather............................................5-91
Cleaning the Mirror.........................................2-43
Cleaning the Photocells...................................2-43
Cleaning the Top of the Instrument Panel...........5-91
Cleaning the Windshield, Backglass and
Wiper Blades..............................................5-94
Cleaning Tires................................................5-94
Cleaning Vinyl................................................5-90
Cleaning Wood Panels....................................5-91
Climate Control System...................................3-17
Outlet Adjustment........................................3-20
Clutch, Hydraulic.............................................5-23
Column Shift Lever.........................................2-36
Compact Spare Tire........................................5-88
Console Shift Lever.........................................2-37
Content Theft-Deterrent....................................2-16
Control of a Vehicle.......................................... 4-7
Convenience Net............................................2-59
Convenience System, Rear..............................2-60
3

Coolant
Engine Temperature Gage............................3-29
Heater, Engine............................................2-22
Cooling.........................................................3-18
Cooling System..............................................5-29
Cruise Control.................................................. 3-9
Current and Past Model Order Forms................7-12
Customer Assistance Information
Courtesy Transportation.................................. 7-7
Customer Assistance for Text Telephone
(TTY) Users.............................................. 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Program for Persons with
Disabilities................................................ 7-5
Reporting Safety Defects to General Motors....7-11
Reporting Safety Defects to the Canadian
Government............................................7-11
Reporting Safety Defects to the United States
Government............................................7-10
Roadside Assistance Program......................... 7-6
Service Publications Ordering Information........7-11
D
Daytime Running Lamps..................................3-14
Defensive Driving............................................. 4-3
Defogging and Defrosting.................................3-19
Dinghy Towing................................................4-47Directing the Airow........................................3-18
Doing Your Own Service Work........................... 5-3
Dolly Towing (Two-Wheel Drive Vehicles)...........4-52
Dolly Towing (Vehicles with Automatic
Transfer Case)............................................4-49
Dolly Towing (Vehicles with Electronic
Transfer Case)............................................4-50
Dome Lamps.................................................3-16
Door
Locks.......................................................... 2-7
Power Door Locks......................................... 2-8
Programmable Automatic Door Locks............... 2-8
Rear Door Security Locks.............................2-10
Driver
Position, Safety Belt.....................................1-13
Driver Behavior................................................ 4-2
Driver Information Center (DIC).........................2-54
Driving
At Night.....................................................4-30
City...........................................................4-35
Defensive..................................................... 4-3
Drunken....................................................... 4-4
Environment................................................. 4-2
Freeway.....................................................4-36
Hill and Mountain Roads..............................4-38
In Rain and on Wet Roads...........................4-32
Winter........................................................4-40
Driving Across an Incline..................................4-26
Driving Downhill..............................................4-24
Driving in Mud, Sand, Snow or Ice....................4-28
4

Inspection (cont.)
Fuel System...............................................6-31
Part C - Periodic Maintenance.......................6-31
Steering, Suspension and Front Drive
Axle Boot and Seal..................................6-31
Throttle System...........................................6-32
Transfer Case and Front Axle
(Four-Wheel Drive)...................................6-32
Installing a Garage Door Opener.......................2-50
Instrument Panel
Cluster.......................................................3-22
Overview..................................................... 3-2
Instrument Panel Fuse Block............................5-99
Instrumental Panel Brightness...........................3-15
Interior Lamps................................................3-15
J
Jump Starting.................................................5-43
K
Key Lock Cylinders Service..............................6-28
Key Release Button........................................2-20
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
L
Lamps
Exterior......................................................3-12
Interior.......................................................3-15
Lamps On Reminder.......................................3-13
Lap Belt................................................1-21, 1-27
Lap-Shoulder Belt...........................................1-14
LATCH System
Child Restraints...........................................1-44
Securing a Child Restraint Designed for the
LATCH System........................................1-46
Leaving Your Vehicle.......................................2-10
Leaving Your Vehicle With the Engine Running......2-38
Light
Air Bag Readiness.......................................3-25
Anti-Lock Brake System Warning...................3-29
Brake System Warning.................................3-28
Charging System.........................................3-26
Check Gages Warning.................................3-35
Gate Ajar...................................................3-35
Low Fuel Warning.......................................3-36
Malfunction Indicator....................................3-30
Safety Belt Reminder...................................3-24
Security.....................................................3-34
Service Four-Wheel-Drive Warning Light.........3-34
Tow/Haul Mode...........................................3-35
Up-Shift.....................................................3-27
Loading Your Vehicle.......................................4-54
Loading Your Vehicle for Off-Road Driving..........4-16
8

Locking Rear Axle...........................................4-10
Lockout Protection..........................................2-10
Locks
Door........................................................... 2-7
Leaving Your Vehicle....................................2-10
Lockout Protection.......................................2-10
Power Door.................................................. 2-8
Programmable Automatic Door Locks............... 2-8
Rear Door Security Locks.............................2-10
Long Trip/Highway Denition.............................. 6-6
Long Trip/Highway Intervals............................... 6-6
Long Trip/Highway Scheduled Maintenance........6-18
Loss of Control...............................................4-14
Low Fuel Warning Light...................................3-36
Luggage Carrier..............................................2-57
Lumbar
Power Controls............................................. 1-3
M
Maintenance Schedule
At Each Fuel Fill.........................................6-26
At Least Once a Month................................6-26
At Least Once a Year..................................6-28
At Least Twice a Year..................................6-27
Brake System Inspection..............................6-32
Engine Cooling System Inspection.................6-31
Exhaust System Inspection...........................6-31
Fuel System Inspection................................6-31Maintenance Schedule (cont.)
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Long Trip/Highway Scheduled Maintenance.....6-18
Maintenance Requirements............................. 6-2
Normal Maintenance Replacement Parts.........6-35
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-26
Part C - Periodic Maintenance Inspections......6-31
Part D - Recommended Fluids
and Lubricants.........................................6-33
Part E - Maintenance Record........................6-37
Selecting the Right Schedule.......................... 6-5
Short Trip/City Scheduled Maintenance............. 6-6
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection..........................6-31
Throttle System Inspection............................6-32
Transfer Case and Front Axle
(Four-Wheel Drive) Inspection....................6-32
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-71
Making Turns.................................................4-68
Malfunction Indicator Light................................3-30
Manual Seats................................................... 1-2
Manual Transmission.......................................2-21
Fluid..........................................................5-22
Operation...................................................2-26
Manual Transmission Check.............................6-27
Memory Seat.................................................2-64
9

Part A - Scheduled Maintenance Services............ 6-4
Part B - Owner Checks and Services................6-26
Part C - Periodic Maintenance Inspections..........6-31
Part D - Recommended Fluids and
Lubricants..................................................6-33
Part E - Maintenance Record...........................6-37
Passing.................................................4-13, 4-68
Passlock
®......................................................2-18
Payload.........................................................4-60
Plan Ahead When Possible................................ 7-8
Playing a Cassette Tape..................................3-55
Playing a CD.................................3-47, 3-58, 3-66
Playing a Specic Loaded CD..........................3-68
Playing the Radio...................3-38, 3-41, 3-49, 3-60
Power
Door Locks.................................................. 2-8
Electrical System.........................................5-98
Lumbar Controls........................................... 1-3
Seat............................................................ 1-3
Steering Fluid.............................................5-36
Windows....................................................2-12
Power Steering...............................................4-10
Programmable Automatic Door Locks.................. 2-8
Programming the HomeLink
®Transmitter...........2-46
Q
Questions and Answers About Safety Belts.........1-12
R
Radiator Pressure Cap....................................5-26
Radio Data System (RDS)...............3-44, 3-52, 3-63
Radio Messages.............................3-40, 3-47, 3-55
Radios..........................................................3-37
AM-FM Radio.............................................3-38
Care of Your Cassette Tape Player................3-72
Care of Your CD Player...............................3-74
Care of Your CDs........................................3-74
Radio with Cassette and CD.........................3-49
Radio with CD............................................3-41
Radio with Six-Disc CD................................3-60
Setting the Time for Radios with Radio
Data Systems (RDS)................................3-38
Setting the Time for Radios without
Radio Data Systems (RDS).......................3-37
Theft-Deterrent............................................3-72
Understanding Reception..............................3-72
RDS Messages..............................3-46, 3-54, 3-65
Rear Axle......................................................5-47
Locking......................................................4-10
Rear Door Security Locks................................2-10
Rear Safety Belt Comfort Guides......................1-28
Rear Seat Operation......................................... 1-6
Rear Seat Outside Passenger Positions.............1-23
Rear Seat Passengers, Safety Belts..................1-23
Rear Storage Area..........................................2-59
Rear Window.................................................2-13
Rear Window Defogger....................................3-20
11

Seats (cont.)
Manual........................................................ 1-2
Memory.....................................................2-64
Power Lumbar.............................................. 1-3
Power Seats................................................. 1-3
Rear Seat Operation...................................... 1-6
Reclining Seatbacks...................................... 1-4
Securing a Child Restraint
Designed for the LATCH System...................1-46
Rear Outside Seat Position...........................1-46
Right Front Seat Position..............................1-48
Security Light.................................................3-34
Security While You Travel.................................. 7-6
Selecting the Right Schedule, Maintenance.......... 6-5
Service........................................................... 5-3
Adding Equipment to the Outside of
Your Vehicle.............................................. 5-4
Doing Your Own Work................................... 5-3
Engine Soon Light.......................................3-30
Four-Wheel-Drive Warning Light.....................3-34
Publications Ordering Information...................7-11
Service Bulletins.............................................7-12
Service Engine Soon Light in the United States
or Check Engine Light in Canada..................3-30
Service Manuals.............................................7-11
Servicing Your Air Bag-Equipped Vehicle............1-58
Setting Preset PTYs........................3-45, 3-54, 3-65
Setting Preset Stations............3-39, 3-42, 3-51, 3-62
Setting the Time
Radios with Radio Data Systems (RDS).........3-38Setting the Time (cont.)
Radios without Radio Data Systems (RDS).....3-37
Setting the Tone
(Bass/Treble)......................3-40, 3-43, 3-51, 3-62
Sheet Metal Damage.......................................5-95
Shifting Into Park (P).......................................2-36
Shifting Out of Park (P)...................................2-39
Short Trip/City Denition.................................... 6-5
Short Trip/City Intervals..................................... 6-5
Short Trip/City Scheduled Maintenance................ 6-6
Skidding........................................................4-14
Some Other Rainy Weather Tips.......................4-34
Spare Tire.....................................................5-89
Spare Tire Check............................................6-27
Specications, Capacities...............................5-103
Speedometer..................................................3-24
Stalling on an Incline.......................................4-27
Starter Switch Check.......................................6-28
Starting Your Engine.......................................2-20
Starting Your V6 Engine..................................2-21
Steering........................................................4-10
Steering in Emergencies..................................4-11
Steering, Suspension and Front Drive Axle
Boot and Seal Inspection..............................6-31
Steering Tips..................................................4-10
Steering Wheel, Tilt Wheel................................. 3-5
Storage
Garment Hooks...........................................2-57
Storage Areas
Convenience Net.........................................2-59
13